21070010571096 has 128 divisors (see below), whose sum is σ = 54775965081600. Its totient is φ = 6749170283520.

The previous prime is 21070010571089. The next prime is 21070010571097. The reversal of 21070010571096 is 69017501007012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21070010571097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16764066 + ... + 17977038.

It is an arithmetic number, because the mean of its divisors is an integer number (427937227200).

Almost surely, 2^{21070010571096} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21070010571096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27387982540800).

21070010571096 is an abundant number, since it is smaller than the sum of its proper divisors (33705954510504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21070010571096 is a wasteful number, since it uses less digits than its factorization.

21070010571096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213289 (or 1213285 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 39.

The spelling of 21070010571096 in words is "twenty-one trillion, seventy billion, ten million, five hundred seventy-one thousand, ninety-six".